Senior Full-Stack Engineer - Ruby on Rails (Technical Lead)
Location: DE, BE, Berlin
Department: Engineering
Employment type: Full-time
Required experience: Mid-Senior level
Required education: Master's Degree
Industry: E-Learning
Function: Engineering

Company profile:
Babbel enables anyone to learn languages in an easy and interactive way. The learning system offers 13 languages, from English to Indonesian. Users with and without previous knowledge can access grammar and thematic courses as well as vocabulary, writing and listening comprehension exercises online and on the go. In addition to the full courses for web, iOS and Android, there are also vocabulary trainer apps for Windows 8 and the Kindle Fire.Babbel is operated by Lesson Nine GmbH in Berlin. The company was founded in August 2007 and now has approximately 250 employees and freelancers and is opening an office in New York City (Lower East Side).

Job description:
We are looking for Senior Rails Full-Stack Engineer (m/f, full-time) to start immediately in our office in Berlin-Kreuzberg, Germany.With millions of regular users and more than 7000 hours of premium content, #URL_8e4e9897aecb1980ec96e296864343a4402263bc440bec39377381446da44dc8# is growing fast while we are shaping the future of learning.You are a creative, innovative problem-solver with the vision to change the future of learning. You are an experienced full-stack software engineer with a passion for frontend who loves to work with ambitious colleagues in a challenging environment.Your mission will be to build ground-breaking products on world-class technologies that bring the Babbel learning experience to the next level and to millions of people anytime, anywhere.As the Technical Lead for one of our Ruby on Rails teams with focus on user experience you will work in a cross-functional Scrum team together with designers and engineers to enable the team to  deliver high quality, innovative products and features in a short sprint cycleResponsibilities:lead the team to technical excellence (together with our frontend architecture lead)have the complete technical overview of the technical solution and remind team of long term architecture visionfacilitate standards and quality within the team, reduce technical debtbe part of the team (write signficant amount of code - not own the code alone, but ensure collective code ownership)coach and challenge the team as well as team members in developing technical &amp; personal skillsconduct regular objectives &amp; feedbacks, assist in hiring and ensure onboarding of new employeeswork closely with the ScrumMaster to improve Scrum adoption and agile processes in the teamwork closely together with product owners and stakeholders to assure technical feasibility and identify risks at an early stage

Requirements:
5 years+ experience in delivering stunning front-end productsSolid understanding of lean and agile practices, in particular SCRUMSoftware engineering practices: TDD, unit/functional automated testing, CI, CD, software design and architectureOutstanding software development talent proven by great work results/experience, hobby projects or open source contributionPassion for building great products and user-interfacesOpen minded, outgoing, self-confident and positive personalityCan do attitude, great team playerFluent in englishExcellent understanding of the whole web technology stack (Ruby/Ruby on Rails, JavaScript, SQL, HTML, CSS)Knowlege about cross-plattform responsive designSkill in writing scalable and multi platform frontend code. Knowledge about Frontend Performance OptimizationKnowledge about frontend libraries like jQuery, YUI, prototype and also JS coding without libraries.Basic knowledge of #URL_a58bd7bd48420a1f4774598bc5f1451bdcc79baee91a357c1d69e8aede501d73#, Python etc.

Benefits:
The potential to change the way of learning for millions of users worldwideResponsibility from day one and professional and personal growthPotential within a fast growing teamA lively startup atmosphere with friendly working hoursCutting-edge tools &amp; technologiesLong-term prospectsA vibrant international team from over 20 different nationalitiesExcellent working conditions with a location in the heart of the Berlin sceneCheck out our jobs page, our blog, and our techblog to get an impression of how we work at Babbel !